The disposable needle for histological and cytological biopsy (Menghini system) is designed to achieve maximum results both as regards the handling of use and patient safety. The product consists of a 10 ml. syringe, on which a tube is assembled to sharpening biopsy, a spindle with high penetration atraumatic tip. The syringe is fitted with a steel latch that keeps the vacuum inside the cylinder. The cannula is equipped with centimeter and sliding stopper for adjusting the depth of penetration.